This 7-Day $ex Challenge Will Change Your Life In Unexpected Ways.

Okay, we'll admit it: There's actually no reason to convince any of you that you should be having more sex -- most people can convince themselves of that just fine. But if you were in need of a little extra encouragement, we've got some facts that might inspire you to get down and dirty a little more frequently -- after all, it's for your health.

That's right: These scientific reasons center around why you should have sex as much as you can (like, every day) for the multitude of health benefits frequent sex can offer. From increased cardiac performance to mood elevation, there's a whole lot of good that a whole lot of sex can do for you. Find out what, below.